4. How to conduct neighborhood eclipse watching. How to make money and friends by being the one who prepares before eclipse day. Answers to Frequently Asked Questions. How to SAFELY use binoculars with a group.

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來自 University of Colorado Boulder 的課程
The Sun and the Total Eclipse of August 2017
54 個評分
University of Colorado Boulder
54 個評分
從本節課中
The Aug. 21, 2017 “Great American Total Solar Eclipse”

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  • Douglas Duncan
    Douglas Duncan
    Astronomer, Director, Fiske Planetarium
    Astrophysical & Planetary Sciences

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